Light bulb



FIG. 1 is an isometric view of the top left of a first embodiment of the light bulb.

FIG. 2 is an elevation view of the right side of the first embodiment of the light bulb.

FIG. 3 is a plan view of the top of the first embodiment of the light bulb.

FIG. 4 is a plan view of the bottom of the first embodiment of the light bulb.

FIG. 5 is an isometric view of the bottom right of the first embodiment of the light bulb.

FIG. 6 is an isometric view of the top left of a second embodiment of the light bulb.

FIG. 7 is an elevation view of the right side of the second embodiment of the light bulb.

FIG. 8 is a plan view of the top of the second embodiment of the light bulb.

FIG. 9 is a plan view of the bottom of the second embodiment of the light bulb.

FIG. 10 is an isometric view of the bottom right of the second embodiment of the light bulb.

FIG. 11 is an isometric view of the top left of a third embodiment of the light bulb.

FIG. 12 is an elevation view of the right side of the third embodiment of the light bulb.

FIG. 13 is a plan view of the top of the third embodiment of the light bulb.

FIG. 14 is a plan view of the bottom of the third embodiment of the light bulb; and,

FIG. 15 is an isometric view of the bottom right of the third embodiment of the light bulb. 

CLAIM We claim the ornamental design for a light bulb, as shown and described. 